3823845 has 16 divisors (see below), whose sum is σ = 6440640. Its totient is φ = 1931904.

The previous prime is 3823811. The next prime is 3823867. The reversal of 3823845 is 5483283.

It is not a de Polignac number, because 3823845 - 2⁷ = 3823717 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6424 + ... + 6993.

It is an arithmetic number, because the mean of its divisors is an integer number (402540).

Almost surely, 2^3823845 is an apocalyptic number.

It is an amenable number.

3823845 is a deficient number, since it is larger than the sum of its proper divisors (2616795).

3823845 is a wasteful number, since it uses less digits than its factorization.

3823845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13444.

The product of its digits is 23040, while the sum is 33.

The square root of 3823845 is about 1955.4654177459. The cubic root of 3823845 is about 156.3747973641.

It can be divided in two parts, 38238 and 45, that added together give a palindrome (38283).

The spelling of 3823845 in words is "three million, eight hundred twenty-three thousand, eight hundred forty-five".